Use output tags to start and stop the data collection

To stop the data collection
  1. In the Controller Organizer, under the folder of the controller to which you have downloaded the project, double-click
    Controller Tags
    .
    The list of tags appears.
  2. Expand input tags (
    Local: <Slot number> I
    ) and output tags (
    Local: <Slot number > O
    ).
    Use output tags to start and stop the data collection
    For details on input tags and their values, see Use the input and output tags to read the Historian ME status.
  3. Under output tags, next to the
    StopDataCollection
     tag, change its value from
    0
     to
    1
    , and then press Enter.
    The following actions take place:
    • The value of the
      DataCollectionActive
       input tag changes from
      1
       to
      0
      .
    • The value of the
      TagsActive
       input tag changes from its current value to
      0
      , because the scanning of all the points is stopped.
To start the data collection
  1. Under output tags, next to the
    StartDataCollection
     tag, change its value from
    0
     to
    1
    , and then press Enter.
    The following actions take place:
    • The value of the
      DataCollectionActive
       input tag changes from
      0
       to
      1
      .
    • The value of the
      TagsActive
       input tag changes from
      0
       to its current value.
    • The values of the
      DataCollectionRate
      ,
      DataTransferRate
      , and
      ArchiveRate
       input tags are updated, provided that these services are configured on your module.
You can write Ladder logic programs to monitor these statistics and programmatically start and stop the data collection and/or stop and start batches depending on the status of the module.
To reset the output tags back to
0
, write the Ladder logic or manually set them to
0
.
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